Cyclops 1.65" Offshore Trolling Heads (4 Pack) It's a sailfish slayer! Cyclops Offshore Trolling Heads are great for building your own trolling lures. Heads are made of nearly indestructible hard rubber. Fits most 5" - 7" rubber squid skirts. Skirts can be glued or tied on. Weight: .3oz Total Length: 1.65" 42mm Head Length: .92" 23.5mm Skirt area diameter: 16.3mm Head diameter: 22.3mm Fits 5" - 7" skirt